import java.util.Scanner;
public class 判断奇偶数 {
    public static void main(String[] args) {
      Scanner Sc = new Scanner(System.in);
      int number = Sc.nextInt();
      if(number%2==0){
          System.out.println("偶数");
      }else{
          System.out.println("奇数");
      }

    }
}
